swath: IW1
Bperp (average): -135.2550900714669
Bpar (average): 110.55584720595343
swath: IW2
Bperp (average): -126.98952708072636
Bpar (average): 120.32986732574085
swath: IW3
Bperp (average): -119.95831792871253
Bpar (average): 127.81322141992806